linux-kernel - Re: [tip:x86/seccomp] seccomp,x86,arm,mips,s390: Remove nr parameter from secure

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Date:	Tue, 16 Sep 2014 15:57:50 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Kees Cook <keescook@...omium.org>,
	Russell King <linux@....linux.org.uk>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"linux-tip-commits@...r.kernel.org" 
	<linux-tip-commits@...r.kernel.org>
Subject: Re: [tip:x86/seccomp] seccomp,x86,arm,mips,s390: Remove nr parameter
 from secure_computing

On Mon, Sep 15, 2014 at 11:34 PM, Ingo Molnar <mingo@...nel.org> wrote:
>
> * tip-bot for Andy Lutomirski <tipbot@...or.com> wrote:
>
>> Commit-ID:  a4412fc9486ec85686c6c7929e7e829f62ae377e
>> Gitweb:     http://git.kernel.org/tip/a4412fc9486ec85686c6c7929e7e829f62ae377e
>> Author:     Andy Lutomirski <luto@...capital.net>
>> AuthorDate: Mon, 21 Jul 2014 18:49:14 -0700
>> Committer:  Kees Cook <keescook@...omium.org>
>> CommitDate: Wed, 3 Sep 2014 14:58:17 -0700
>>
>> seccomp,x86,arm,mips,s390: Remove nr parameter from secure_computing
>
> So, this commit in -tip, combined with Linus's latest
> (v3.17-rc5), produces this build failure or arch/parisc
> defconfig:
>
> /home/mingo/tip/arch/parisc/kernel/ptrace.c: In function 'do_syscall_trace_enter':
> /home/mingo/tip/arch/parisc/kernel/ptrace.c:274: error: implicit declaration of function 'secure_computing'
> make[2]: *** [arch/parisc/kernel/ptrace.o] Error 1
> make[2]: *** Waiting for unfinished jobs....
> make[1]: *** [arch/parisc/kernel] Error 2
>
> My guess is that the interaction was caused by:
>
>   c90f06943e05 parisc: Wire up seccomp, getrandom and memfd_create syscalls

I guess this something like this was unavoidable.  Here's a fix:

http://lkml.kernel.org/g/db9b257536558b5f068e97717bb0f25bcc603ae4.1410883257.git.luto@amacapital.net

--Andy
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